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Technical Webinar Series
Grid connected power electronic converters, such as industrial motor drives and PV inverters, require filters to reduce harmonics. LCL filters are a cost effective means to meet the required standards for total harmonic distortion, but they require an explicit resonance damping strategy. Passive (resistive) damping methods are lossy and expensive, and active damping methods require additional sensors which also increase system costs. This presentation will describe recent work by FREEDM and Danfoss to develop an observer-based strategy for active damping that does not require additional sensors beyond those already used for commercial converter applications. Ph.D. candidate M A Awal will describe how the system works and provide some hardware testing results.
This program runs for 45 minutes, with 15 minutes provided for Q&A. Total running time is one hour. The material will be recorded and provided electronically for those registered to attend.
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